Interacoustics Affinity Compact - Speech reference equivalent threshold value for transducer

D-0123234-D – 2020/05
Affinity Compact - Instructions for Use - EN Page 64
Speech reference equivalent threshold value for transducer
DD45 (G
F
-G
C
) PTB-DTU report 2009-2010.
TDH39 (G
F
-G
C
) ANSI S3.6 2018.
DD65V2 (GF-GC) PTB-AAU report 2018.
DD450 (G
F
-G
C
) ANSI S3.6 2018 and ISO 389-8 2004.
HDA300 (G
F
-G
C
) PTB report 2013.
ANSI Speech level 12.5 dB + 1 kHz RETSPL ANSI S3.6 2018 (acoustical linear weighting).
ANSI Speech Equivalent free field level 12.5 dB + 1 kHz RETSPL - (G
F
-G
C
) from ANSI S3.6 2018 (acoustical equivalent sensitivity
weighting).
ANSI Speech Not linear level 1 kHz RETSPL ANSI S3.6 2018 (DD45, TDH39, DD65V2, DD450, HDA300) and EAR 3A, IP30, B71 and
B81 12.5 dB + 1 kHz RETSPL ANSI S3.6 2018 (no weighting).
ANSI SPEECH MAX. HL
TRANSDUCER
DD45
TDH39
DD65 v2
DD450
HDA300
EAR3A
IP30
B71
B71
B81
B81
Impedance
10 Ω
10 Ω
10 Ω
40 Ω
23 Ω
10 Ω
10 Ω
10 Ω
10 Ω
12.5 Ω
12.5 Ω
COUPLER
6ccm
6ccm
ARTIFICIAL EAR
ARTIFICIAL EAR
ARTIFICIAL EAR
2ccm
2ccm
MASTO
ID
FOREHE
AD
MASTO
ID
FOREHEA
D
Max. HL Max. HL Max. HL Max. HL Max. HL Max. HL Max. HL Max. HL Max. HL Max. HL Max. HL
Speech
110
110
100
90
100
Speech Equ.FF.
100
105
95
85
95
Speech Non-linear
120
120
110
110
120
110
110
60
40
60
50
Speech noise 100 100 95 85 95
Speech noise
Equ.FF.
100 100 90 80 95
Speech noise
Non-linear
115
115
105
105
120
110
110
50
40
50
40
White noise in
speech
95
95
95
90
100
95
95
55
45
60
50
ANSI SPEECH RETSPL
TRANSDUCER
DD45
TDH39
DD65 v2
DD450
HDA300
EAR3A
IP30
B71
B71
B81
B81
Impedance
10 Ω
10 Ω
10 Ω
40 Ω
23 Ω
10 Ω
10 Ω
10 Ω
10 Ω
12.5 Ω
12.5 Ω
COUPLER
6ccm
6ccm
ARTIFICIAL EAR
ARTIFICIAL EAR
ARTIFICIAL
EAR
2ccm
2ccm
MASTOI
D
FOREHEAD
MASTOID
FOREHEA
D
RETSPL RETSPL RETSPL RETSPL RETSPL RETSPL RETSPL RETFL RETFL RETFL RETFL
Speech 18.5 19.5 17 19 14.5
Speech Equ.FF.
18.5
15.5
16.5
18.5
16
Speech Non-linear
6
7
4.5
5.5
2
12.5
12.5
55
63.5
55
63.5
Speech noise
18.5
19.5
17
19
14.5
Speech noise
Equ.FF.
18.5 15.5 16.5 18.5 16
Speech noise Non-
linear
6
7
4.5
5.5
2
12.5
12.5
55
63.5
55
63.5
White noise in
speech
21
22
19.5
21.5
17
15
15
57.5
66
57.5
66